Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
usaddressbook.com positions itself as a “World Postal codes database free” site, offering lookup information for postal codes, PIN Codes, Post Codes, and administrative divisions across 251 countries and regions. The page presents country-based browsing entries, including the United States, Canada, China, India, Brazil, Australia, and others. Overall, it feels more like a public data lookup website than a typical enterprise SaaS product.
Based on the crawled content, its core function is global postal-code lookup and country-level navigation, with a claim that it covers all administrative divisions. It may be useful as a reference for cross-border e-commerce, logistics address organization, CRM address-field cleanup, or market data preparation. However, the page does not disclose common enterprise capabilities such as bulk lookup, data downloads, address standardization, fuzzy matching, deduplication, or validation. There is also no visible account system, team collaboration, role-based permissions, audit logs, or other SaaS management features.
The page title explicitly includes “free,” so it can be understood as offering free lookups. However, there is no information about plans, an enterprise edition, API pricing, commercial licensing, SLA, or payment methods. In terms of third-party integrations, the page does not mention APIs, Webhooks, SDKs, database exports, or connectivity with CRM, e-commerce, or logistics systems. If you want to embed it into a business system, you would still need to confirm whether developer support is available.
Its strengths are broad country and region coverage and clear country-based entry points, making it suitable for quick manual lookup of postal codes and administrative divisions. The drawbacks are also clear: there is no explanation of data sources, update frequency, or accuracy; no stated security, compliance, support, or uptime commitments; and no sign of the permissions, integrations, batch processing, or compliance capabilities typically required by enterprise software.
It is suitable for personal lookups, data research, and lightweight cross-border address checks. If a business needs highly reliable address validation, bulk APIs, or compliance-backed SLAs, it should also evaluate GeoNames, Google Maps Platform, Smarty, Loqate, Melissa, or official postal data from the relevant countries. The crawled text does not indicate how well the site works from China, so real-world testing is required. Payment methods are also not disclosed.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on usaddressbook.com official site.
usaddressbook.com is an Unknown Lookups provider. TG4G tracks its product information, an overall rating of 7.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach usaddressbook.com directly.